diff --git a/ci/meta-zephyr.yml b/ci/meta-zephyr.yml
deleted file mode 100644
index bdd0e2bb..00000000
--- a/ci/meta-zephyr.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-header:
-  version: 11
-  includes:
-    - ci/meta-openembedded.yml
-
-repos:
-  meta-zephyr:
-    url: https://git.yoctoproject.org/git/meta-zephyr
-    layers:
-      meta-zephyr-core:
-
-target:
-  - zephyr-kernel-test-all
diff --git a/ci/musca-b1.yml b/ci/musca-b1.yml
index dc9814d2..b38dd1e4 100644
--- a/ci/musca-b1.yml
+++ b/ci/musca-b1.yml
@@ -2,14 +2,9 @@ header:
   version: 11
   includes:
     - ci/base.yml
-    - ci/meta-zephyr.yml
-
-local_conf_header:
-  nonbuilding_tests: |
-    ZEPHYRTESTS:remove = "common sleep poll device queue"
+    - ci/meta-openembedded.yml
 
 machine: musca-b1
 
 target:
   - trusted-firmware-m
-  - zephyr-kernel-test-all
diff --git a/ci/musca-s1.yml b/ci/musca-s1.yml
index 80a59c48..29f289a3 100644
--- a/ci/musca-s1.yml
+++ b/ci/musca-s1.yml
@@ -2,14 +2,9 @@ header:
   version: 11
   includes:
     - ci/base.yml
-    - ci/meta-zephyr.yml
-
-local_conf_header:
-  nonbuilding_tests: |
-    ZEPHYRTESTS:remove = "common sleep poll device queue"
+    - ci/meta-openembedded.yml
 
 machine: musca-s1
 
 target:
   - trusted-firmware-m
-  - zephyr-kernel-test-all
diff --git a/ci/testimage-zephyr.yml b/ci/testimage-zephyr.yml
deleted file mode 100644
index 83e17a70..00000000
--- a/ci/testimage-zephyr.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-header:
-  version: 11
-
-local_conf_header:
-  testimage: |
-    IMAGE_CLASSES += "testimage"
-    TEST_TARGET = "QemuTargetZephyr"
-    TEST_SUITES = "zephyr"
-    TESTIMAGE_AUTO = "1"
diff --git a/ci/update-repos b/ci/update-repos
index a68257bb..91ff1975 100755
--- a/ci/update-repos
+++ b/ci/update-repos
@@ -22,7 +22,6 @@ repositories = (
     "https://git.yoctoproject.org/git/poky",
     "https://git.openembedded.org/meta-openembedded",
     "https://git.yoctoproject.org/git/meta-virtualization",
-    "https://git.yoctoproject.org/git/meta-zephyr",
     "https://github.com/kraj/meta-clang",
 )
 
diff --git a/meta-arm-bsp/conf/machine/musca-b1.conf b/meta-arm-bsp/conf/machine/musca-b1.conf
index a7895b81..c5ef3233 100644
--- a/meta-arm-bsp/conf/machine/musca-b1.conf
+++ b/meta-arm-bsp/conf/machine/musca-b1.conf
@@ -20,9 +20,4 @@ QB_GRAPHICS = "-nographic -vga none"
 QB_MEM = "512k"
 QB_RNG = ""
 
-# Zephyr RTOS settings
-ZEPHYR_BOARD = "v2m_musca_b1"
-ZEPHYR_INHERIT_CLASSES += "zephyr-qemuboot"
-ARCH:musca-b1 = "arm"
-
 TFM_PLATFORM = "arm/musca_b1/sse_200"
diff --git a/meta-arm-bsp/conf/machine/musca-s1.conf b/meta-arm-bsp/conf/machine/musca-s1.conf
index 0cfd56e0..3d3bc4de 100644
--- a/meta-arm-bsp/conf/machine/musca-s1.conf
+++ b/meta-arm-bsp/conf/machine/musca-s1.conf
@@ -19,9 +19,4 @@ QB_GRAPHICS = "-nographic -vga none"
 QB_MEM = "512k"
 QB_RNG = ""
 
-# Zephyr RTOS settings
-ZEPHYR_BOARD = "v2m_musca_s1"
-ZEPHYR_INHERIT_CLASSES += "zephyr-qemuboot"
-ARCH:musca-s1 = "arm"
-
 TFM_PLATFORM = "arm/musca_s1"
diff --git a/meta-arm-bsp/documentation/musca-b1.md b/meta-arm-bsp/documentation/musca-b1.md
index a9af03f5..a7439e53 100644
--- a/meta-arm-bsp/documentation/musca-b1.md
+++ b/meta-arm-bsp/documentation/musca-b1.md
@@ -4,9 +4,6 @@
 For a description of the hardware, go to
 https://developer.arm.com/tools-and-software/development-boards/iot-test-chips-and-boards/musca-b-test-chip-board
 
-For current supported hardware by Zephyr, go to
-https://docs.zephyrproject.org/2.3.0/boards/arm/v2m_musca/doc/index.html
-
 For emulated hardware, go to
 https://www.qemu.org/docs/master/system/arm/musca.html
 
@@ -14,13 +11,5 @@ https://www.qemu.org/docs/master/system/arm/musca.html
 In the local.conf file, MACHINE should be set as follows:
 MACHINE ?= "musca-b1"
 
-To build for Zephyr:
-```bash$ bitbake-layers layerindex-fetch meta-zephyr```
-```bash$ bitbake zephyr-philosophers```
-
-To build the trusted firmware-m (and not Zephyr):
+To build the trusted firmware-m:
 ```bash$ bitbake trusted-firmware-m```
-
-## Running
-To run Zephyr on the QEMU based machine, execute the following command
-```bash$ runqemu qemu-musca-b1```